Search: Herschel, John in author 
1850-1859::1857::04::03 in date 
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Herschel10926

From:
Sir John Herschel
To:
Henry James
Date:
[3 April 1857]
Source of text:
RS:HS 10.272 & 23.194
Summary:

Thanks for his letter and projection. Compares it with one of his own devising and encloses a chart of the isothermal lines of the Northern hemisphere. Has used a different system for his Cape Results.

Contributor:
John Herschel Project

Herschel2372

From:
Sir John Herschel
To:
Edward Sabine
Date:
[3 April 1857]
Source of text:
RS:HS 15.241 (C: RS:HS 23.193)
Summary:

Thanks ES for his paper. Sun spot activity should increase in 1857. Discusses his own earlier ideas concerning relationship between sun spots and Aurora Borealis.

Contributor:
John Herschel Project

Herschel8920

From:
Sir John Herschel
To:
the London Times
Date:
[3 April 1857]
Source of text:
London Times (April 6, 1857), p. 12, col. 4.
Summary:

Urges that observations be made of sunspots. Notes that sunspots are much more evident now than in 1856. [Written by JH under the pseudonym 'Helioscopus']

Contributor:
John Herschel Project
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